The FMXL-658-ZZZ-Q-FCW from Blue Sky Research is a Laser Diode with Wavelength 658 nm, Output Power 0.0000015 to 0.00008 W, Operating Voltage 2.1 to 3 V, Operating Current 27 to 210 mA, Threshold Current 20 to 75 mA. More details for FMXL-658-ZZZ-Q-FCW can be seen below.